Mechanical seal for gearmotor assembly having threaded bearing retainer
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United States of America Patent
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Sep 3, 2019
Grant Date -
Apr 27, 2017
app pub date -
Oct 21, 2016
filing date -
Oct 22, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A gearmotor assembly includes a housing, a rotatable shaft, a bearing, a retaining member, and a seal. The housing defines a gear chamber configured to contain a lubricant. The bearing rotatably supports the shaft. The bearing is disposed between the housing and the shaft. The retaining member at least in part restricts axial shifting of the bearing. The retaining member presents a plurality of retaining member threads. The housing defines a plurality of housing threads threadably engaging the retaining member threads. The retaining member and the housing cooperatively at least in part define an interface. The interface includes a threaded portion and an additional portion. The threaded portion is cooperatively defined by the retaining member threads and the housing threads. The additional portion is fluidly interconnected to the threaded portion. The seal is disposed along the interface to prevent lubricant escaping the gear chamber past the interface.
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